..Those with coexisting psychotic and affective syndromes were most at risk. Future analyses with this data set will need to develop complex multivariate models to predict the primary influences on functioning and short-term stability...

Longitudinal relationships between depressive symptoms and health in normal older and middle-aged adults

..In contrast, longer term depressive symptoms had a clear impact on health. The results imply that physical illness can affect depressive states; depressive traits but not states can affect illness...